sir sis sit sla slc sld slh sli sll slo slr sls slt sly soa soc sod soh soi sol soo sor sos sot soy sr- sra src srd srh sri srl sro srr srs srt sry ss- ssa ssc ssd ssh ssi ssl sso ssr sss sst sta stc std sth sti stl sto str sts stt sty sy- sya syc syd syh syi syl syr sys syt taa tac tad tah tai tal tao tar tas tat tay tca tcc tcd tch tci tcl tco tcr tcs tct tda tdc tdd tdh tdi tdl tdo tdr tds tdt tdy th- tha thc thd thh thi thl tho thr ths tht thy tia tic tid tih tii til tio tir tis tit tiy tla tlc tld tlh tli tll tlo tlr tls tlt to- toa toc tod toh toi tol too tor tos tot toy tra trc trd trh tri trl tro trr trs trt try tsa tsc tsd tsh tsi tsl tso tsr tss tst tsy tta ttc ttd tth tti ttl tto ttr tts ttt tty tya tyc tyd tyl tyo tyr tys tyt yaa yac yad yah yai yal yao yar yas yat yay yca ycc ycd ych yci ycl yco ycs ycy yda ydl ydo yds ydt ydy yha yhc yhi yhs yht yid yih yii yio yir yis yit ylc yld yli yll ylr yls ylt yly yoc yod yoi yol yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysc ysi ysl yso ysr yss yst ysy yta ytc ytd yth ytl yto ytr yts ytt yyc yys yyt yyy